CN109416870A - Accident information collection system, vehicle-mounted device, and accident information collection method - Google Patents
Accident information collection system, vehicle-mounted device, and accident information collection method Download PDFInfo
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- CN109416870A CN109416870A CN201680087024.2A CN201680087024A CN109416870A CN 109416870 A CN109416870 A CN 109416870A CN 201680087024 A CN201680087024 A CN 201680087024A CN 109416870 A CN109416870 A CN 109416870A
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- 238000009434 installation Methods 0.000 claims description 4
- 230000010365 information processing Effects 0.000 abstract 1
- 238000012545 processing Methods 0.000 description 40
- 230000006870 function Effects 0.000 description 25
- 238000012544 monitoring process Methods 0.000 description 10
- 230000005540 biological transmission Effects 0.000 description 9
- 206010039203 Road traffic accident Diseases 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/008—Registering or indicating the working of vehicles communicating information to a remotely located station
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0137—Measuring and analyzing of parameters relative to traffic conditions for specific applications
- G08G1/0141—Measuring and analyzing of parameters relative to traffic conditions for specific applications for traffic information dissemination
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R2021/0027—Post collision measures, e.g. notifying emergency services
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/0104—Communication circuits for data transmission
- B60R2021/01081—Transmission medium
- B60R2021/01088—Transmission medium wireless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R2021/01311—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over monitoring the braking system, e.g. ABS
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- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
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- Multimedia (AREA)
- Traffic Control Systems (AREA)
- Time Recorders, Dirve Recorders, Access Control (AREA)
- Television Signal Processing For Recording (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The information processing unit (32) controls the communication unit (30) and collects accident information from the in-vehicle devices (2) present around the scene of the accident indicated by the accident information stored in the storage unit (31).
Description
Technical field
The present invention relates to accident information collection system, car-mounted device and the accidents of collecting information relevant to traffic accident
Formation gathering method.
Background technique
The image etc. of vehicle-surroundings, party or third party's machine in accident are saved when vehicle suffers from traffic accident
It is extremely important in terms of the behavior before and after accident that structure, which understands vehicle relevant to accident, pedestrian etc.,.As preservation accident shadow
The device of picture, such as there is known drive recorder, which utilizes the video camera near the rearview mirror installed in the car
The image for shooting vehicle front will test Image preservation during certain before and after accident to storage device.
In recent years, in order to realize highly difficult driving auxiliary and automatic Pilot, the example of video camera sensing vehicle-surroundings is utilized
It is increasing.In addition, it is contemplated that the device carried in each vehicle is communicated with other vehicles, information centre or roadside device
Come the case where exchanging information.
For example, recording following accident information collection system in patent document 1: detecting vehicle behavior, there are different
Often in the case where, to information collection center send comprising by vehicle mounted camera shooting to vehicle-surroundings image accident believe
Breath.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2007-293536 bulletin
Summary of the invention
Subject to be solved by the invention
In accident information collection system described in Patent Document 1, information collection center is only from directly suffering from traffic thing
Therefore vehicle collect accident information.The image for including in the accident information is that have in the vehicle for directly suffering from traffic accident
It is taken in the visual field of video camera.
Therefore, it in accident information collection system described in Patent Document 1, can only obtain from the limited view such as vehicle front
The image of point.In this case, even if accident occurs in the side of vehicle or rear, the appearance of the accident is also possible to not
It is accommodated in image completely.In addition, in the case where the impact due to accident loses the shooting function of video camera, it will be complete
It is unable to get the image of vehicle-surroundings.
The present invention is precisely in order to solving the above subject and completing, it is intended that obtaining that traffic accident can be collected
Accident information collection system, car-mounted device and the accident information collection method of image under various viewpoints.
Means for solving the problems
Accident information collection system of the invention has communication unit, storage unit and information treatment part.
Communication unit is communicated with the car-mounted device for generating accident information, which includes to indicate in vehicle or vehicle
The image for the accident that periphery occurs and the information of position.Storage unit storage is believed by the accident that communication unit is received from car-mounted device
Breath.Information treatment part controls communication unit, vehicle existing for the live periphery of accident shown in the accident information stored from storage unit
It carries and sets collection accident information.
Invention effect
According to the present invention, other than directly suffering from the vehicle of accident, additionally it is possible to the vehicle existing for the periphery of the scene of the accident
Therefore the image under the various viewpoints of traffic accident can be collected comprising the accident information of accident image by collecting.
Detailed description of the invention
Fig. 1 is the block diagram for showing the structural example of accident information collection system of embodiments of the present invention 1.
Fig. 2 is the block diagram for showing the hardware configuration of car-mounted device of embodiment 1.
Fig. 3 is the block diagram for showing the hardware configuration of information center device of embodiment 1.
Fig. 4 is the flow chart for showing the movement of car-mounted device of embodiment 1.
Fig. 5 is the figure for showing an example of accident information of embodiment 1.
Fig. 6 is the flow chart for showing the movement of information center device of embodiment 1.
Fig. 7 is the flow chart for showing the movement of information center device of embodiments of the present invention 2.
Fig. 8 is the figure for showing the scene of the accident and the relationship between the vehicle that scene of the accident periphery is advanced.
Fig. 9 is the figure for showing the summary of generation of fixed point monitoring image.
Figure 10 is the figure for showing an example of accident information of embodiments of the present invention 3.
Specific embodiment
Hereinafter, referring to attached drawing, being illustrated to mode for carrying out the present invention in order to which the present invention is described in more detail.
Embodiment 1
Fig. 1 is the block diagram for showing the functional structure of accident information collection system 1 of embodiments of the present invention 1.In addition,
Fig. 2 is the block diagram for showing the hardware configuration of car-mounted device 2.Fig. 3 is the hardware configuration for showing information center device 3
Block diagram.
Accident information collection system 1 is by being equipped on the car-mounted device 2 of vehicle and collecting the accident sent from car-mounted device 2
The information center device 3 of information is constituted.
The accident that the detection of car-mounted device 2 occurs in vehicle or vehicle-surroundings sends accident information relevant to accident
To information center device 3.In addition, accident information is included in the image and position letter for the accident that vehicle or vehicle-surroundings occur
The information of breath.
In addition, in the example depicted in figure 1, car-mounted device 2 and information center device 3 pass through the net via wireless base station 4
Network 5 and connect.
In addition, car-mounted device 2 and information center device 3 can also be and the vehicle inter-vehicle communications via vehicular communication unit
It is communicatively coupled, can also be communicatively coupled via the communication device for being set to trackside.
Car-mounted device 2 has communication unit 20, information acquiring section 21, accident detection portion 22 and storage unit 23.
Communication unit 20 is communicated via wireless base station 4 and network 5 with information center device 3.For example, communication unit 20 is pressed
According to the control from accident detection portion 22, accident information is sent to information center device 3.In addition, communication unit 20 is from information
When center fixture 3 receives the transmission instruction of accident information, independently with the control from accident detection portion 22, by accident information
Return to information center device 3.At this point, accident information is saved in storage unit 23 by communication unit 20.
Information acquiring section 21 obtains information relevant to the situation of vehicle-state and vehicle-surroundings.Such as from vehicle-mounted pick-up
Machine, acceleration transducer, GPS (Global Positioning System: global positioning system) reception device, vehicle control
Device etc. obtains information.The image of vehicle mounted camera shooting vehicle-surroundings.Acceleration transducer detects the front and back that vehicle generates
To acceleration.GPS receiver device is analyzed and is detected the location information of vehicle to the GPS information received from GPS satellite
And time information.In addition, information acquiring section 21 obtains the driving such as speed, steering angle, brake information behaviour from controller of vehicle
Make information.
Accident detection portion 22 occurs according to the information obtained by information acquiring section 21, detection in vehicle or vehicle-surroundings
Accident.For example, accident detection portion 22 is judged as that accident has occurred in vehicle when acceleration or brake status are more than threshold value,
Accident has occurred in vehicle-surroundings as a result, accident detection portion 22 is judged as according to the analysis of the image of vehicle-surroundings.In addition, accident
Test section 22 generates accident information relevant to the accident in vehicle or vehicle-surroundings generation.When generating accident information, thing
Therefore test section 22 indicates that accident information is sent to information center device 3 by communication unit 30.
Storage unit 23 stores the accident information generated by accident detection portion 22.
The communication unit 20 of car-mounted device 2 is communicated using communication terminal 102 shown in Fig. 2, and storage unit 23 deposits information
Store up storage medium 104 shown in Fig. 2.In addition, information acquiring section 21 obtains information from sensor group 100.That is, sensor group
100 include above-mentioned vehicle-mounted vidicon, acceleration transducer, GPS receiver device and controller of vehicle.
In addition, the communication unit 20 of car-mounted device 2, information acquiring section 21, accident detection portion 22 and storage unit 23 each function
It can be realized by processing circuit.That is, car-mounted device 2 has processing circuit, which is used to carry out with information center device 3
Communication obtains information relevant to the situation of vehicle-state and vehicle-surroundings, carries out the thing occurred in vehicle or vehicle-surroundings
Therefore detection and accident information generation, accident information is sent to information center device 3 by instruction.Processing circuit can be specially
With hardware, it is also possible to execute the processor 101 of the program stored in memory 103.
In the case where processing circuit is specialized hardware, processing circuit is, for example, single circuit, compound circuit, sequencing
Processor, the processor of concurrent program, ASIC (Application Specific Integrated Circuit: towards spy
Determine the integrated circuit of purposes), FPGA (Field-Programmable Gate Array: field programmable gate array) or it
Combination.It can realize communication unit 20, information acquiring section 21, accident detection portion 22 and storage unit respectively by processing circuit
The function in 23 each portion can also concentrate the function of realizing each portion by processing circuit.
In the case where processing circuit is processor 101, communication unit 20, information acquiring section 21, accident detection portion 22 and
The function of storage unit 23 is realized by the combination of software, firmware or software and firmware.Software or firmware are described into program
And it is stored in memory 103.Processing circuit realizes the function in each portion by reading and executing the program stored in memory 103
Energy.
That is, car-mounted device 2 has the memory 103 for storing program, and when executing the program by processing circuit, knot
Fruit is to execute a series of following processing: information relevant to the situation of vehicle-state and vehicle-surroundings is obtained, according to the information
The detection of the accident in vehicle or vehicle-surroundings generation and the generation of accident information are carried out, accident information is sent to information
Center fixture 3.
In addition, memory 103 is, for example, RAM (Random Access Memory: random access memory), ROM (Read
Only Memory: read-only memory), flash memory, EPRROM (Erasable Programmable ROM: erasable programmable
ROM), EEPROM's (Electrically Erasable Programmable ROM: electrically erasable ROM) etc. is non-easy
Semiconductor memory, disk, floppy disk, CD, high density compact disc, mini-disk, the DVD (Digital of the property lost or volatibility
Versatile Disc: digital versatile disc) etc..
In addition, for each function of communication unit 20, information acquiring section 21, accident detection portion 22 and storage unit 23, it can also
It is realized with a part by specialized hardware, a part is realized by software or firmware.For example, it can be for communication unit
20, its function is realized by the processing circuit as specialized hardware, for information acquiring section 21, accident detection portion 22 and storage
Portion 23 reads and executes the program stored in memory 103 by processing circuit and realizes its function.
In this way, processing circuit can realize above-mentioned each function by hardware, software, firmware or their combination.
Information center device 3 has communication unit 30, storage unit 31 and information treatment part 32.
Communication unit 30 is communicated with car-mounted device 2.For example, communication unit 30 is communicatively coupled with network 5, via wireless
Base station 4 and communicated with the communication unit of car-mounted device 2 20.
Storage unit 31 successively stores the accident information received by communication unit 30 from car-mounted device 2.
In addition, the accident information stored in storage unit 31 can suitably be read by information treatment part 32.
Information treatment part 32 determines to need from accident shown in the accident information stored in storage unit 31 further to collect
The accident of accident information.For example, when the accident situation or the scene of the accident that include in accident information meet the feelings of scheduled condition
Under condition, it is judged to being the major accident for needing further to collect accident information.Condition below can be enumerated as scheduled condition:
The scene of the accident whether on a highway, with the presence or absence of vehicle overturning or tumble, whether be related to more trolleys, whether be related to
Pedestrian or two wheeler.
In addition, information treatment part 32 controls communication unit 30, instruction is judged as needing to collect the scene of the accident of accident information
Car-mounted device 2 existing for periphery sends accident information.
For example, information treatment part 32 controls communication unit 30 issues thing simultaneously in the communication range comprising scene of the accident periphery
Therefore the transmission of information is requested.Car-mounted device 2 receive accident information transmission request when, according to the transmission request in include
The location information of the scene of the accident determines whether to be present in scene of the accident periphery.Also, the case where being present in scene of the accident periphery
Under, car-mounted device 2 generates the accident information of accident and is sent to information center device 3.
Alternatively, it is also possible to be, information treatment part 32 also indicates what car-mounted device 2 had other than sending accident information
Storage unit 23 stores accident information.
The communication unit 30 of information center device 3 is communicated using communication terminal 201 shown in Fig. 3, and storage unit 31 will be believed
Storage medium 203 shown in Fig. 3 is arrived in breath storage.
In addition, each function of the communication unit 30 of information center device 3, storage unit 31 and information treatment part 32 passes through processing
Circuit is realized.
That is, information center device 3 has processing circuit, the processing circuit with car-mounted device 2 for being communicated and being received
Accident information stores the accident information that receives from car-mounted device 2, the scene week of the accident shown in the accident information that store
Car-mounted device 2 existing for side collects accident information.
Processing circuit can be specialized hardware, be also possible to execute the processor 200 of the program stored in memory 202.
In the case where processing circuit is specialized hardware, processing circuit is, for example, single circuit, compound circuit, sequencing
Processor, the processor of concurrent program, ASIC, FPGA or their combination.It can also be realized respectively by processing circuit
The function in each portion of communication unit 30, storage unit 31 and information treatment part 32 can also be concentrated by processing circuit and realize each portion
Function.
In the case where processing circuit is processor 200, the function of communication unit 30, storage unit 31 and information treatment part 32
It is realized by the combination of software, firmware or software and firmware.Software or firmware are described into program and are stored in memory
202.Processing circuit realizes the function in each portion by reading and executing the program stored in memory 202.
That is, information center device 3 has the memory 202 for storing program, when executing the program by processing circuit,
As a result, executing a series of following processing: being communicated with car-mounted device 2 and receive accident information, stored from car-mounted device
2 accident informations received control communication unit 30, the live periphery of accident shown in the accident information stored from storage unit 31
Existing car-mounted device 2 collects accident information.In addition, memory 202 is identical as above-mentioned memory 103.
In addition, for each function of communication unit 30, storage unit 31 and information treatment part 32, it can be a part of by dedicated
Hardware realization, a part are realized by software or firmware.For example, it can be for communication unit 30, by as dedicated hard
The processing circuit of part realizes its function, for storage unit 31 and information treatment part 32, reads and executes storage by processing circuit
The program stored in device 202 realizes its function.
In this way, processing circuit can realize above-mentioned each function by hardware, software, firmware or their combination.
Then, movement is illustrated.
Fig. 4 is the flow chart for showing the movement of car-mounted device 2, show the accident of vehicle or vehicle-surroundings detection and
The accident information is sent to a series of processing of information center device 3.
Firstly, information acquiring section 21 is for example constantly obtained from sensor group 100 with fixed intervals as 1 second 30 times
Information relevant to the situation of vehicle-state and vehicle-surroundings.The information is successively output to accident detection portion from information acquiring section 21
22。
Accident detection portion 22 determines the exception (step ST1) of the acceleration of the vehicle obtained by information acquiring section 21.For example,
When acting on vehicle, acceleration is judged as that vehicle suffers from accident, vehicle more than in the case where scheduled threshold value in the front-back direction
Produce the acceleration that cannot achieve in usual drive.
Be determined as the acceleration of vehicle there is no (step ST2: no) in the case where exception, accident detection portion 22 determine by
The state of the brake for the vehicle that information acquiring section 21 obtains has (step ST3) without exception.For example, the intensity when brake is more than
In the case where scheduled threshold value, it is judged as that vehicle suffers from accident, has carried out the emergency braking that cannot achieve in usual drive.
On the other hand, (step ST2: yes) in an exceptional case is deposited in the acceleration for being determined as vehicle or be determined as vehicle
The state of brake deposit (step ST4: yes) in an exceptional case, accident detection portion 22 is determined as that vehicle suffers from accident
(step ST5).
(step ST4: no), accident detection portion in the case where being determined as that also exception is not present in the state of brake of vehicle
The image for the vehicle-surroundings that 22 bases are obtained by information acquiring section 21 determines that vehicle-surroundings have (step ST6) without exception.
There is method without exception as the scope interpretation according to vehicle-surroundings, such as it is contemplated that using rote learning.In machine
In tool study, the identifier learnt to the image of the accident occurred in vehicle-surroundings is set.Accident detection portion 22 is by vehicle
The image on periphery is input to identifier, and whether identifier identification occurs accident in the image.Identifier is stored in memory
103。
Alternatively, it is also possible to use in vehicle-surroundings, there is no the identifiers that abnormal image is learnt.
In the case where being determined as that exception is not present in vehicle-surroundings (step ST7: no), end processing.
On the other hand, it is being determined as that vehicle-surroundings deposit (step ST7: yes) in an exceptional case, accident detection portion 22 is sentenced
It is set to nearby vehicle and suffers from accident (step ST8).
It is determined as that nearby vehicle is met with when being determined as that vehicle suffers from accident in step ST5 or in step ST8
When to accident, accident detection portion 22 generates the accident information of the accident, and accident information is sent in information by instruction communication unit 20
Center device 3.Accident information is sent to information center device 3 according to the instruction in accident detection portion 22 by communication unit 20.
Also, accident detection portion 22 indicates that storage unit 23 stores accident information.The storage of storage unit 23 is by accident detection as a result,
The accident information that portion 22 generates.
Processing so far is equivalent to step ST9.In addition, in the case where car-mounted device 2 does not have storage unit 23, thing
Therefore test section 22 only carries out the instruction to communication unit 20 in step ST9.
In the example in fig. 4, the case where showing the acceleration for successively determining vehicle and generating, brake status, but can also
Determined with needing not be done in this sequence.Alternatively, it is also possible to be, sharply according to the speed other than acceleration, brake status
Variation, the starting of air bag, change dramatically of steering angle etc., determine whether vehicle suffers from accident.
In addition, being shown in FIG. 4 after determining whether vehicle suffers from accident, it is without exception to determine that vehicle-surroundings have
Situation, but not limited to this.
Namely it is decided that the processing that vehicle-surroundings have processing and judgement vehicle without exception whether to suffer from accident is also possible to that
This processing executed side by side.
Fig. 5 is the figure for showing an example of accident information 10 of embodiment 1.Accident detection portion 22 is according to by information acquiring section
21 information obtained generate the accident information 10 generated in vehicle or vehicle-surroundings.Here, as shown in figure 5, accident information 10
Such as it is configured to comprising information of vehicles 10a, accident situation 10b, date-time information 10c, location information 10d, direction information
10e, brake information 10f, acceleration information 10g, vehicle speed information 10h, sensor information 10i, driver information 10j, log
Information 10k and image 10l.
Information of vehicles 10a be for determine carry car-mounted device 2 vehicle information, e.g. the license plate information of vehicle,
The intrinsic ID that vehicle or car-mounted device 2 are distributed.
Accident situation 10b is the information for indicating whether vehicle suffers from accident or whether nearby vehicle suffers from accident.
In addition, the detailed condition also comprising following such accident: overturning with the presence or absence of vehicle tumbles, whether is related to more trolleys
, whether be related to pedestrian or two wheeler.
Date-time information 10c indicates that accident information 10 is sent to the date-time or experience of information center device 3
To the date-time of accident.Alternatively, it is also possible to being date-time that accident information 10 is stored in storage unit 23.Also, in thing
Therefore in the case that information 10 is the information for being continuously generated and being stored within certain period storage unit 23, it can also be stored
Time Start Date and storage time Close Date are included in date-time information 10c.
Location information 10d is to indicate that accident information 10 is sent to the position (Latitude-Longitude in the place of information center device 3
Deng) information, and be information necessary to accident information 10.In addition, location information 10d, which is also possible to storage unit 23, stores thing
Therefore the position in the place of information 10.
Information center device 3 determines the position of the scene of the accident according to location information 10d.
Direction information 10e is the information for indicating the variation of steering angle of steering wheel, is regular one by information acquiring section 21
It is interior persistently to obtain.Direction information 10e for example comprising accident occurs at the time of and its front and back information.In addition, brake is believed
Ceasing 10f is the information for indicating the state (brake intensity) of brake, is persistently taken within certain period by information acquiring section 21
?.Brake information 10f for example comprising accident occurs at the time of and its front and back information.
Acceleration information 10g is the information for the acceleration for indicating that vehicle generates, and is by information acquiring section 21 in certain period
Inside persistently obtain.Acceleration information 10g for example comprising accident occurs at the time of and its front and back information.Vehicle speed information 10h is
The information for indicating the speed of vehicle, is persistently obtained within certain period by information acquiring section 21.Vehicle speed information 10h is for example wrapped
Information containing at the time of occurring accident and its front and back.
Sensor information 10i is the sensor i.e. specification of sensor group 100 and the peace of vehicle for indicating to be equipped on vehicle
The information of holding position.Such as the information such as specification, installation site comprising video camera.In addition, driver information 10j is to indicate vehicle
Driver state and personal information information.The state of driver refers to the state biologically of driver, such as wraps
Direction, heart rate containing face etc..The state of driver is that sensor group 100 persistently senses driver within certain period and obtains
Result.In addition, personal information of the driver such as gender comprising driver, age etc..
Log information 10k is the information of the detection log for the sensor group 100 for indicating to be equipped on vehicle.Log information 10k
Such as the information of at the time of comprising accident occurs and its front and back.
Image 10l is the image of the vehicle-surroundings taken by the video camera for being equipped on vehicle in sensor group 100, is
Information necessary to accident information 10.The image of video camera is persistently obtained within certain period by information acquiring section 21, shadow
As 10l includes the information of at the time of accident occurs and its front and back.For example, 30 seconds and accident will occurring before tight to accident from accident
The image of 1 added up for 30 seconds minute after generation becomes image 10l.
Fig. 6 is the flow chart for showing the movement of information center device 3, shows from car-mounted device 2 and receives accident information, in turn
The car-mounted device 2 existing for the periphery of the scene of the accident collects a series of processing of accident information.
Firstly, communication unit 30 in the information center device 3 start during, accept always from car-mounted device 2 accident letter
Breath.That is, the processing of step ST1a is just repeated as long as no accident information (step ST1a: no) is received.
In the case where receiving accident information from car-mounted device 2 (step ST1a: yes), communication unit 30 is defeated by accident information
Storage unit 31 is arrived out.Storage unit 31 stores the accident information (step ST2a) received by communication unit 30.For example, accident information quilt
Store storage medium 203.
Then, information treatment part 32 analyzes the accident information stored in storage unit 31, stores from storage unit 31
Accident information shown in the accident (step ST3a) for needing further to collect accident information is determined in accident.
For example, information treatment part 32 determines the position of the scene of the accident according to the location information 10d for including in accident information 10,
Image analysis is carried out to image 10l and determines accident situation.Also, meet scheduled condition in the scene of the accident or accident situation
In the case where, information treatment part 32 is determined as it being the major accident for needing further to collect accident information.As described above, scheduled
Condition can enumerate following such condition: the scene of the accident whether on a highway, with the presence or absence of vehicle overturning or tumble,
Whether it is related to more trolleys, whether is related to pedestrian or two wheeler.
Here, in the case where not needing further to collect accident information (step ST4a: no), end processing.In addition,
In the case where being judged to needing further to collect accident information (step ST4a: yes), information treatment part 32 controls communication unit 30, refers to
Show that car-mounted device 2 existing for the periphery of the scene of the accident sends accident information (step ST5a).
For example, information treatment part 32 generates the transmission request of accident information, which includes to need further to collect
The field position of the accident of accident information and the information of request accident information relevant to the accident.
Also, information treatment part 32 indicates that communication unit 30 is issued simultaneously in the communication range of the field position comprising accident
The transmission of accident information is requested.
Car-mounted device 2 determines whether to be located at thing according to the location information for the scene of the accident for including in transmission request as a result,
Therefore live periphery.In the case where being present in scene of the accident periphery, car-mounted device 2 generates the accident information of accident and is sent to letter
Cease center fixture 3.
Alternatively, it is also possible to be, information treatment part 32 also indicates what car-mounted device 2 had other than sending accident information
Storage unit 23 stores accident information.
As described above, information center device 3 is in addition to directly suffering from the accident information collection system 1 of embodiment 1
Other than the vehicle of accident, also the vehicle existing for the periphery of the scene of the accident collects accident information.Thereby, it is possible to collect traffic accident
Image under various viewpoints.
In addition, since the accident image under various viewpoints can be obtained as accident information, party or third
Square mechanism can accurately grasp accident situation.
Also, due to the accident information for also collecting the accident that nearby vehicle suffers from, even if nearby vehicle is not taken
Car-mounted device 2 is carried, accident information can also be collected from vehicle existing for the periphery of the scene of the accident.
In addition, in the accident information collection system 1 of embodiment 1, the communication unit 30 of information center device 3 is from vehicle-mounted dress
Set 2 reception accident informations 10, the accident information 10 other than location information 10d and image 10l, also comprising information of vehicles 10a,
Accident situation 10b, date-time information 10c, direction information 10e, brake information 10f, acceleration information 10g, vehicle speed information
At least one information in 10h, sensor information 10i, driver information 10j and log information 10k.
As a result, other than the image of the scene of the accident and location information, additionally it is possible to obtain and vehicle and vehicle-surroundings, sensing
The relevant information of device, driving condition, therefore, party or the third-party institution can accurately grasp letter relevant to accident
Breath.
Also, in the accident information collection system 1 of embodiment 1, the accident detection portion 22 of car-mounted device 2 is according to shooting
The accident of Image detection vehicle-surroundings obtained from vehicle-surroundings occurs.Even if not having as a result, in the vehicle for directly suffering from accident
Have in the case where carrying video camera, car-mounted device 2 existing for the vehicle-surroundings is also able to detect the accident of the vehicle.Due in this way
Obtained accident information is sent to information center device 3 from car-mounted device 2, therefore, can reliably collect accident information.
Embodiment 2
In the accident information collection system of embodiment 2, information center device is according to the multiple things stored in storage unit
Therefore the image of same accident that information separately includes, it generates from fixed-direction and shoots image obtained from the scene of the accident.That is, can
Obtain virtual fixed point monitoring image.
The structure of car-mounted device and information center device in embodiment 2 is identical as structure shown in FIG. 1, and difference exists
In the information treatment part of information center device generates above-mentioned fixed point and monitors image.
Therefore, hereinafter, the structure of car-mounted device and information center device in embodiment 2 is carried out referring to Fig.1
Explanation.
Then, movement is illustrated.
Fig. 7 is the flow chart for showing the movement of information center device 3 of embodiment 2, shows from car-mounted device 2 and receives thing
Therefore information and a series of virtual processing for pinpointing monitoring image for generating the scene of the accident.In addition, step ST1a~step of Fig. 7
The processing of ST5a is identical as Fig. 6, and and the description is omitted.
In addition, Fig. 8 is the figure for showing the scene of the accident and the relationship between the vehicle that scene of the accident periphery is advanced.Fig. 9 is
The figure of the summary of the generation of fixed point monitoring image is shown.
In step ST6a, information treatment part 32 separately includes same according to the multiple accident informations stored in storage unit 31
The virtual fixed point of the video generation of one accident monitors image.
As shown in figure 8, the case where being listed below: on the ground for being located at the scene of the accident periphery that vehicle 300 and vehicle 301 occur
At point A, vehicle 302 is reached in moment t1, and t2 at the time of more late than moment t1 of vehicle 303 is reached, and vehicle 304 is more late than moment t2
At the time of t3 reach.
Be equipped on respectively vehicle 302, vehicle 303, vehicle 304 car-mounted device 2 detect above-mentioned accident.At this point, being equipped on
The car-mounted device 2 of vehicle 302 is as shown in figure 9, generate the accident information comprising the image 400 of accident and the location information of place A
And it is sent to information center device 3.
Then, it includes the image 401 of accident and the location information of place A that the car-mounted device 2 for being equipped on vehicle 303, which generates,
Accident information is simultaneously sent to information center device 3.In turn, the car-mounted device 2 for being equipped on vehicle 304 generates the image comprising accident
The accident information of the location information of 402 and place A is simultaneously sent to information center device 3.Pass through in addition, being equipped in vehicle 304
Accident information is similarly sent to information center device 3 by the car-mounted device 2 of other vehicles of place of arrival A after the A of place.
The image that the information treatment part 32 of information center device 3 includes from the accident information received by communication unit 30
The frame image 400a of t1 at the time of extracting 302 place of arrival A of vehicle in 400.Then, information treatment part 32 is directed to image 401
The frame image 401a of t2 at the time of similarly extracting 303 place of arrival A of vehicle, extracts 304 place of arrival A of vehicle from image 402
At the time of t3 frame image 402a.Information treatment part 32 is directed to the shadow from and then other vehicles of 304 place of arrival A of vehicle
As identical processing is also repeated.
In this way, information treatment part 32 successively obtains the frame image of the scene of the accident taken at the A of place.By according to when
Between sequentially arrange these frame images, virtual fixed point monitoring image 500 can be obtained.
But the time interval between the frame image and frame image in fixed point monitoring image 500 is the position according to vehicle
Relationship and change.Quilt in addition, installation site, the specification of video camera sometimes according to the video camera in vehicle, in frame image
Take the photograph the differences such as position, size, the picture characteristics of body.
Therefore, the frame image extracted as described above is only arranged sequentially in time, it should even if continuously reproducing sometimes
The frame image of fixed point monitoring image can also become unnatural image.
Therefore, when continuously reproducing the frame image of fixed point monitoring image, natural image in order to obtain, information treatment part
32 pairs of frame images extracted as described above are corrected.
For example, information treatment part 32 determines the specification of video camera according to the sensor information 10i for including in accident information 10
And installation site, the difference of the position of the mutual subject of frame image, size, picture characteristics is corrected.Alternatively, it is also possible to
It is to be corrected according to matched mode is carried out to characteristic point between frame image, so that the positional relationship of characteristic point is suitable.
Also, the time-interval averaging being also possible to make each frame image, is corrected 1 frame image and carrys out interpolation
The frame image at moment is lacked, or multiple frame images are synthesized and carry out interpolation.
In addition, in most cases, the coverage for being equipped on the video camera of the car-mounted device 2 of more trolleys is different from each other.
Accordingly it is also possible to be, information treatment part 32 from the image of multiple accident informations according to it is identical at the time of extract frame
These frame images are spatially engaged and carry out successively synthetic frame image by image.It, can by implementing such so-called splicing synthesis
The image for showing the scene of the accident is generated in the image wide range than being taken by the video camera of each vehicle.
As described above, information treatment part 32 is according in storage unit 31 in the accident information collection system 1 of embodiment 2
The image for the same accident that multiple accident informations of storage separately include, generation continuously show accident in time or spatially
Image.
The image for showing accident continuously in time is generated in this way, is capable of providing within certain period constantly
Image obtained from fixed point monitoring is carried out to the scene of the accident.Party and the third-party institution can accurately grasp accident as a result,
The time change at scene.
In addition, spatially continuously showing the image of accident by generating, it is capable of providing and the scene of the accident is spliced
Image obtained from shooting.The case where party and the third-party institution can accurately grasp the scene of the accident as a result,.
Embodiment 3
The structure of car-mounted device and information center device in embodiment 3 is identical as structure shown in FIG. 1, and difference exists
In car-mounted device and information center device exchange cryptographic Hash.
Therefore, hereinafter, the structure of car-mounted device and information center device in embodiment 3 is carried out referring to Fig.1
Explanation.
Cryptographic Hash is to implement value obtained from the calculation process of hash function to target data.
As hash function, it is known that function as such as SHA-1, SHA-2, MD5.The size of data of cryptographic Hash with
Target data, which is compared, substantially to be reduced.In addition, the Kazakhstan obtained in the operation based on same hash function according to same target data
Uncommon value is identical value, and in the case where hash function or different target data, cryptographic Hash is also different value.
Using this feature, it can confirm whether accident information is tampered when transmitting and receiving accident information.
Figure 10 is the figure for showing an example of accident information 10A of embodiments of the present invention 3.Believe in accident shown in Fig. 10
It ceases in 10A, the image 10l of accident information 10 shown in fig. 5 is replaced as image Hash 10m.
Image Hash 10m is to implement value obtained from the calculation process of hash function to the image data of accident.In addition,
It can be, not only according to image data, also according to one or more letters in the information for constituting accident information 10A shown in Fig. 10
Breath generates cryptographic Hash.
Car-mounted device 2 is raw when detecting the accident that vehicle or vehicle-surroundings occur, such as according to the image data of accident
At cryptographic Hash, information center device 3 is sent to using cryptographic Hash as accident information.For example, meeting in the vehicle for carrying car-mounted device 2
In the case where meeting with an accidet, it is possible to because the impact etc. of accident keeps communication unit 20 unsmooth, be reduced so as to the information content of communication.I.e.
Make in this case, if it is the lesser cryptographic Hash of size of data, also can effectively be sent to information center device 3.
After sending cryptographic Hash, car-mounted device 2 is triggering with the transmission request for receiving police etc., by accident information
Metadata is sent to information center device 3.
The information treatment part 32 of information center device 3 generates cryptographic Hash according to the accident information received later, to the Kazakhstan
Uncommon value is compared with the cryptographic Hash received before, and whether both confirmations are consistent.Thereby, it is possible to confirm accident information whether by
It distorts.
As described above, the communication unit 20 of car-mounted device 2 is according to accident in the accident information collection system 1 of embodiment 3
Information generates cryptographic Hash, is sent to information center device 3 for the cryptographic Hash as accident information.In this way, due to only sending accident
The cryptographic Hash of information, therefore, compared with the case where sending image itself, the communication load of accident information substantially mitigates, additionally it is possible to
Reduce the transmission failure of accident information.
The communication unit 30 of information center device 3 receives the cryptographic Hash generated by car-mounted device 2 according to accident information.At information
Reason portion 32 is based on to the cryptographic Hash received by communication unit 30 and the Kazakhstan generated according to the accident information received by communication unit 30
It is that uncommon value is compared that as a result, determining accident information, whether there is or not distort.Thereby, it is possible to guarantee the evidence admissibility of accident image.
In addition, the present invention can carry out within the scope of the invention each embodiment independent assortment or each embodiment party
The deformation of the arbitrary structures element of formula or in various embodiments omission arbitrary structures element.
Industrial availability
Accident information collection system of the invention can collect the image under the various viewpoints of traffic accident, therefore, be suitble to
In the emergency report system for carrying out urgency message according to accident information.
Label declaration
1: accident information collection system；2: car-mounted device；3: information center device；4: wireless base station；5: network；10,
10A: accident information；10a: information of vehicles；10b: accident situation；10c: date-time information；10d: location information；10e: it turns to
Information；10f: brake information；10g: acceleration information；10h: vehicle speed information；10i: sensor information；10j: driver's letter
Breath；10k: log information；10l: image；10m: image Hash；20,30: communication unit；21: information acquiring section；22: accident detection
Portion；23,31: storage unit；32: information treatment part；100: sensor group；101,200: processor；102,201: communication terminal；
103,202: memory；104,203: storage medium；300~304: vehicle；400~402: image；400a~402a: frame figure
Picture；500: fixed point monitoring image.
Claims (8)
1. a kind of accident information collection system, which is characterized in that the accident information collection system includes
Communication unit is communicated with the car-mounted device for generating accident information, which includes to indicate in vehicle or vehicle
The image for the accident that periphery occurs and the information of position；
Storage unit stores the accident information received by the communication unit from the car-mounted device；And
Information treatment part controls the communication unit, the scene of accident shown in the accident information stored from the storage unit
The car-mounted device existing for periphery collects accident information.
2. accident information collection system according to claim 1, which is characterized in that
The same scene of the accident that the information treatment part is separately included according to the multiple accident informations stored in the storage unit
Image generates the image for continuously showing accident in time or spatially.
3. accident information collection system according to claim 1, which is characterized in that
The communication unit receives the cryptographic Hash generated by the car-mounted device according to accident information,
The information treatment part is based on to the cryptographic Hash that is received by the communication unit and according to being received by the communication unit
It is that the cryptographic Hash that accident information generates is compared that as a result, determining accident information, whether there is or not distort.
4. accident information collection system according to claim 1, which is characterized in that
The communication unit receives the accident information also comprising at least one information in following information: identification from the car-mounted device
The intrinsic information of vehicle, the information for indicating accident situation, the date-time information that accident occurs, vehicle direction information, vehicle
Brake information, the acceleration information of vehicle, vehicle speed information, expression be equipped on vehicle sensor specification and installation site
Sensor information, the personal information of driver and indicate the sensor detection log log information.
5. a kind of car-mounted device, which is characterized in that the car-mounted device includes
Communication unit is communicated with the information center device for collecting accident information, the accident information include indicate in vehicle or
The image for the accident that person's vehicle-surroundings occur and the information of position；
Information acquiring section obtains information relevant to the situation of vehicle-state and vehicle-surroundings；And
Accident detection portion, according to the information obtained by the information acquiring section, progress occurs in vehicle or vehicle-surroundings
The detection of accident and the generation of accident information control the communication unit for accident information and are sent to the information center device.
6. car-mounted device according to claim 5, which is characterized in that
Accident detection portion image according to obtained from shooting vehicle-surroundings, detects the generation of the accident of vehicle-surroundings.
7. car-mounted device according to claim 5, which is characterized in that
The communication unit generates cryptographic Hash according to accident information, is sent to the information centre for the cryptographic Hash as accident information
Device.
8. a kind of accident information collection method, which is characterized in that the accident information collection method has following steps:
Communication unit is communicated with the car-mounted device for generating accident information, which includes to indicate in vehicle or vehicle week
The image for the accident that side occurs and the information of position；
Storage unit stores the accident information received by the communication unit from the car-mounted device；And
Information treatment part controls the communication unit, the live periphery of accident shown in the accident information stored from the storage unit
The existing car-mounted device collects accident information.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2016/070111 WO2018008122A1 (en) | 2016-07-07 | 2016-07-07 | Accident information collection system, vehicle-mounted device, and accident information collection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109416870A true CN109416870A (en) | 2019-03-01 |
Family
ID=59366077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680087024.2A Pending CN109416870A (en) | 2016-07-07 | 2016-07-07 | Accident information collection system, vehicle-mounted device, and accident information collection method |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190193659A1 (en) |
| JP (1) | JP6104482B1 (en) |
| CN (1) | CN109416870A (en) |
| DE (1) | DE112016006964B4 (en) |
| WO (1) | WO2018008122A1 (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| DE112016006964B4 (en) | 2020-06-10 |
| WO2018008122A1 (en) | 2018-01-11 |
| JP6104482B1 (en) | 2017-03-29 |
| US20190193659A1 (en) | 2019-06-27 |
| DE112016006964T5 (en) | 2019-02-28 |
| JPWO2018008122A1 (en) | 2018-07-12 |
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Application publication date: 20190301 |